diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/runtime/JSValue.h')
| -rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/runtime/JSValue.h | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/JSValue.h b/src/3rdparty/webkit/JavaScriptCore/runtime/JSValue.h index 58e74b18c7..1063cdcd52 100644 --- a/src/3rdparty/webkit/JavaScriptCore/runtime/JSValue.h +++ b/src/3rdparty/webkit/JavaScriptCore/runtime/JSValue.h @@ -213,7 +213,8 @@ namespace JSC { enum { FalseTag = 0xfffffffc }; enum { NullTag = 0xfffffffb }; enum { UndefinedTag = 0xfffffffa }; - enum { DeletedValueTag = 0xfffffff9 }; + enum { EmptyValueTag = 0xfffffff9 }; + enum { DeletedValueTag = 0xfffffff8 }; enum { LowestTag = DeletedValueTag }; @@ -372,6 +373,14 @@ namespace JSC { return static_cast<uint32_t>(val); } + // FIXME: We should deprecate this and just use JSValue::asCell() instead. + JSCell* asCell(JSValue); + + inline JSCell* asCell(JSValue value) + { + return value.asCell(); + } + ALWAYS_INLINE int32_t JSValue::toInt32(ExecState* exec) const { if (isInt32()) @@ -427,7 +436,7 @@ namespace JSC { inline JSValue::JSValue() { - u.asBits.tag = CellTag; + u.asBits.tag = EmptyValueTag; u.asBits.payload = 0; } @@ -463,19 +472,26 @@ namespace JSC { inline JSValue::JSValue(JSCell* ptr) { - u.asBits.tag = CellTag; + if (ptr) + u.asBits.tag = CellTag; + else + u.asBits.tag = EmptyValueTag; u.asBits.payload = reinterpret_cast<int32_t>(ptr); } inline JSValue::JSValue(const JSCell* ptr) { - u.asBits.tag = CellTag; + if (ptr) + u.asBits.tag = CellTag; + else + u.asBits.tag = EmptyValueTag; u.asBits.payload = reinterpret_cast<int32_t>(const_cast<JSCell*>(ptr)); } inline JSValue::operator bool() const { - return u.asBits.payload || tag() != CellTag; + ASSERT(tag() != DeletedValueTag); + return tag() != EmptyValueTag; } inline bool JSValue::operator==(const JSValue& other) const |